private async void StartTest()
{
IsBusy = true;
var url = await _firebaseStorage.GetFileUrl("cute_pink_chik_by_rukusucherry.jpg");
ImgTest = url;
IsBusy = false;
}
private async void AttachFile()
{
IsBusy = true;
var file = await _firebaseStorage.UploadFiles();
var url = await _firebaseStorage.GetFileUrl(file);
SendMessage(url);
IsBusy = false;
}